Home / 228,541.80-315,282.96-147,995.28

Finding the Fourth Proportional to 228,541.80, 315,282.96 and 147,995.28

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Solution

The fourth proportional to 228,541.80, 315,282.96 and 147,995.28 is: 204,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,541.80 : 315,282.96 = 147,995.28 : x
  2. Step 2: Convert to fraction form
    228,541.80/315,282.96 = 147,995.28/x
  3. Step 3: Cross multiply
    228,541.80x = 315,282.96 × 147,995.28
  4. Step 4: Simplify right side
    228,541.80x = 46,660,389,944.43
  5. Step 5: Solve for x
    x = 46,660,389,944.43/228,541.80
  6. Step 6: Final answer
    x = 204,165.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.